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NodeJS / Express: what is “app.use”?
...ll add onto your Express middleware stack. Middleware layers can be added one by one in multiple invocations of use, or even all at once in series with one invocation.
See use documentation for more details.
To give an example for conceptual understanding of Express Middleware, here is what my app...
If Python is interpreted, what are .pyc files?
...ke this:
Python is an interpreted language, as
opposed to a compiled one, though the
distinction can be blurry because of
the presence of the bytecode compiler.
This means that source files can be
run directly without explicitly
creating an executable which is then
run.
...
Persistence unit as RESOURCE_LOCAL or JTA?
...
As a side note: one still can get JTA functionality, even without a full Java EE application server by using third party solutions, like for example Atomikos. So you can have a lightweight web container like Tomcat and still get the JTA supp...
MongoDB vs. Cassandra [closed]
...
Because everyone mentioned twitter here in relation to Cassandra: they are not using Cassandra for persisting tweets, they use still MySQL here (engineering.twitter.com/2010/07/cassandra-at-twitter-today.html). Ok, but I can imagine that ...
Concatenate two slices in Go
... only real overhead will be that it creates a new slice if you didn't have one already, like: foo(1, 2, 3, 4, 5) which will create a new slice that is will hold.
– user1106925
Sep 24 '14 at 14:00
...
How do I perform an insert and return inserted identity with Dapper?
...
@MarcGravell: Wow! Great Marc, that's a good one! I didn't realize that scope_identity return type is numeric(38,0). +1 a really good find. Never though of it really and I'm sure I'm not the only one.
– Robert Koritnik
Nov 26 '11 a...
git mv and only change case of directory
...lapsing the 2 commits. You can just move the file in the index, but to someone that is new to git, it may not be explicit enough as to what is happening. The shorter version is
git mv foo foo2
git mv foo2 FOO
git commit -m "changed case of dir"
As suggested in one of the comments, you can also do...
PHPUnit assert that an exception was thrown?
Does anyone know whether there is an assert or something like that which can test whether an exception was thrown in the code being tested?
...
Get string character by index - Java
... documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:
String text = "foo";
String letter = Character.toString(text.charAt(0));
System.out.pri...
How to convert std::string to NSString?
...acters 'just work.'
If you're making a bigger app, or you're not the only one working on it, however - you'll probably want something that's easier to apply.
Adapted from cocoa-dev mailing list archives
@interface NSString (cppstring_additions)
+(NSString*) stringWithwstring:(const std::wstring&a...